Finding the Fourth Proportional to 874,812.44, 1,312,021.62 and 313,846.94
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Solution
The fourth proportional to 874,812.44, 1,312,021.62 and 313,846.94 is: 470,699.72
Step by Step Solution
- Step 1: Write the proportion equation
874,812.44 : 1,312,021.62 = 313,846.94 : x - Step 2: Convert to fraction form
874,812.44/1,312,021.62 = 313,846.94/x - Step 3: Cross multiply
874,812.44x = 1,312,021.62 × 313,846.94 - Step 4: Simplify right side
874,812.44x = 411,773,964,090.74 - Step 5: Solve for x
x = 411,773,964,090.74/874,812.44 - Step 6: Final answer
x = 470,699.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.